Electric Industrial Cartridge Heater with 90C Angle
Product Description
1. Introduction
Electric heater cartridge is a piece of equipment, made of MgO powder or MgO tube, ceramic cap, resistance wire(NiCr2080),High temperature leads, seamless stainless steel sheath(304,321,316,800,840). usually in tube form,
that is used in heating applications by way of insertion into metal blocks via a series of drilled holes. Cartridge heaters are manufactured in two basic forms - high density and low density.
High density cartridge heaters are used to heat plastic injection moulds, dies, platens and so forth, whereas low density cartridge heaters are more suitable for packing machinery, heat sealing, labelling machines and hot stamping applications.
2. Characteristics:
Tube diameter: Φ3mm-Φ30mm
Tube Material: SS304;SS316,SS321,NICOLOY800 etc.
Insulation Material: High-purity Mgo
Reisistance wire element: Ni-Cr or FeCr
Wattage density: high/middle/low(5-25w/cm2)
Lead Connection Option: Crimped or Swaged leads
Lead wire type: 10" Standard (TF/silicone high temperature fiberglass)
3. Advantages:
1. The smallest diameter can be 3mm.
2. Power Density:
heating in mold: 45w/cm2(max)
heating in water: 67w/cm2(max)
heating in static air: 10w/cm2(max)
heating in flowing air: 18w/cm2(max)
3. Lead Wire:pure nickel wire, can withstand higher temperature as 400°C
4. Water-proof and moisture-proof: IP65.
5. Distributed wattage cartridge heaters are available
6. Split cartridge Heaters are available.
4. Special Design
In addition to the standard design, HT Elite offers a variety of special modifications
which are available to customize the heater for your application.
Distributed Wattage:
Resistance winding can be concentrated in specific areas of the heater for localized heat distribution.
Centerless Grinding:
Precision grinding of the heater sheath provides tighter diameter tolerances when required.
TF Coating:
TF coating can be provided on heater sheath for applications requiring chemical resistance.
Ground Lead-wire:
Separate color coded ground wire can be provided when required.
Special Connectors:
Various connectors for power leads can be provided upon request.
| Heat intensity |
Not exceeding 30Wcm2 (advisable) |
| Power |
Depends on the dimension |
| Escape of current (when cold) |
<=0.1mA a 242 v. |
| Insulation (when cold) |
5 Min Ohmios 500 Watts minimum |
| Dielectric strength |
1500v. 1/seg |
| Working temperature |
750ºG max. |
| Tolerance of length |
+/-1.5% |
| Tolerance of diameter |
-0.01 a -0.06 m/m |
| Tolerance of cut of connexion |
+/-15 mlm |
| Power tolerance (w) |
5 % - 10 % |
| Cold areas |
Depends on length and diameter 5-25mm |
| Thermocouple Location |
type J |
| type K |
5. CARTRIDGE CARE AND MAINTENANCE
5 Tips How to Maintain the Electric Cartridge Heaters
1. Store heaters in a dry area, especially during periods of high humidity.
2. Protect leads from abuse and abrasion.
3. Maintain temperature control and keep accessories in good working condition to obtain correct operating conditions.
4. All cartridge heaters have hygroscopic tendencies and can accumulate moisture in shipping and storage.
5. Low heater insulation (less then 1 meg ohm) can be baked in an oven for several hours or started at low voltage to eliminate moisture
6. Cartridge Heaters photos for reference
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